● Xiamen PuSen Electronic Company was founded in 1993,that is original name of Xiamen Sound silicon division
●Xiamen PuSen was merged into Xiamen Sound and the silicon division was set up.
●Sound was certified by IS09001 Quality Management System in May,2006
●Sound was rated as “The enterprise of high-tech in Xiamen City”in 2007.
●In 2010,Sound rated as “The enterprise of high-tech City in China”for new standard.
●Xiamen SunYear was founded in Dec,2012 and Sound canceled  silicon division and ceramic division